Skip to content

NXS-GRX-BRA · South America · Regions

Piaui

First-level unit, Brazil: people, area, the units inside and neighbours, with risk values when released.

Page GRX-BRA-REdition Baseline Edition 2026Evidence close 2026-09-30ISO BRA / BRStatus UN member stateValues not yet publishedMethod v1.0.0-draft
3,583,321
habitants (GHSL 2025)
252,827 km²
superficie
1.7%
of Brazil
221
unités internes

01Carte

Inside Piaui

The 221 ADM2 units of Piaui.

FIG 1 · 221 units inside Piaui
Chargement de la carte

Les unités s'élèvent selon les habitants par km² · raster GHSL 2025 · relief · ADM1 ADM2Valeurs de risque à leur publication
Cinquième le plus basCinquième basCinquième médianCinquième hautCinquième le plus hautAucune donnée
La hauteur et la couleur des colonnes indiquent les habitants par km² de chaque unité, en quintiles parmi les unités affichées (la légende de la carte donne les seuils) ; les unités sans habitants sur la grille sont en gris, et non dans la classe la plus basse ; le raster en dessous est la grille de population GHSL 2025. Observations sources, et non valeurs de l'indice. Choisissez dans la liste un chiffre humanitaire pour colorer et surélever les unités selon celui-ci ; chaque chiffre indique sa source sur la page de l'unité. Sélectionnez une unité pour explorer les unités qu'elle contient ; le chemin au-dessus de la carte permet de remonter.
02Chiffres

Population, superficie et densité

Observations de source issues de grilles ouvertes additionnées à l'intérieur de la frontière ; pas des valeurs d'indice.

Habitants · GHSL 2025

3,583,321

1.7% of Brazil.

Habitants · WorldPop 2025

3,492,994

-3% par rapport à GHSL ; les deux grilles diffèrent par leur méthode.

Superficie

252,827 km²

14 people per km².

Code

BR-PI

Code de subdivision tel que fourni par la source des frontières.

Zone côtière basse

71,635

habitants sur des terres situées à 10 m d'altitude ou moins, 2.0 % de l'unité (GEBCO 2024 et GHSL 2025).

03Données humanitaires

Piaui in humanitarian data

Observations de source issues du Humanitarian Data Exchange, rattachées à cette unité par son nom, chacune avec sa date de référence, son fournisseur et sa licence. Ce ne sont pas des valeurs d'indice.

Population · 2022-12-31

3,271,199

habitants. UNFPA · Creative Commons Attribution for Intergovernmental Organisations (CC BY-IGO).

Poverty headcount · 2015-12-31

9%

des personnes en situation de pauvreté multidimensionnelle. Oxford Poverty & Human Development Initiative · Public Domain / No restrictions (CC0).

04Unités

221 units inside Piaui

Chaque unité a sa propre page.

Licences des limites : Creative Commons Attribution 2.5 Generic · Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)

Unité Code Habitants (GHSL) Habitants (WorldPop) Superficie km² Par km² Part Côte ≤ 10 m
Acauã – 7,969 6,596 1,284.39 6 0.2% 0
Agricolândia – 5,004 4,731 112.6 44 0.1% 0
Água Branca – 17,478 18,409 97.67 179 0.5% 0
Alagoinha do Piauí – 8,498 7,118 538.27 16 0.2% 0
Alegrete do Piauí – 4,796 4,341 244.59 20 0.1% 0
Alto Longá – 14,954 13,639 1,745.2 9 0.4% 0
Altos – 44,765 50,125 962.25 47 1.3% 0
Alvorada do Gurguéia – 5,747 5,655 2,142.42 3 0.2% 0
Amarante – 22,509 20,951 1,160.52 19 0.7% 0
Angical do Piauí – 7,445 7,690 224.26 33 0.2% 0
Anísio de Abreu – 10,226 10,033 339.64 30 0.3% 0
Antônio Almeida – 3,245 3,293 648.95 5 0.1% 0
Aroazes – 6,228 5,316 825.65 8 0.2% 0
Aroeiras do Itaim – 2,854 2,691 318.23 9 0.1% 0
Arraial – 4,863 4,657 687.06 7 0.1% 0
Assunção do Piauí – 8,032 7,774 1,696.52 5 0.2% 0
Avelino Lopes – 11,910 11,217 1,223.07 10 0.3% 0
Baixa Grande do Ribeiro – 11,780 13,981 7,842.06 2 0.3% 0
Barra D’Alcântara – 3,532 3,961 263.72 13 0.1% 0
Barras – 49,715 51,031 1,729.75 29 1.4% 0
Barreiras do Piauí – 3,392 3,389 2,177.63 2 0.1% 0
Barro Duro – 7,241 6,658 160.28 45 0.2% 0
Batalha – 33,421 33,271 1,595.83 21 1% 0
Bela Vista do Piauí – 4,209 4,198 501.32 8 0.1% 0
Belém do Piauí – 3,029 2,995 244.4 12 0.1% 0
Beneditinos – 10,581 10,427 939.34 11 0.3% 0
Bertolínia – 5,846 6,074 1,229.85 5 0.2% 0
Betânia do Piauí – 5,066 5,592 583.26 9 0.1% 0
Boa Hora – 6,434 6,976 338.37 19 0.2% 0
Bocaina – 4,656 3,969 261.84 18 0.1% 0
Bom Jesus – 27,181 31,694 5,494.34 5 0.8% 0
Bom Princípio do Piauí – 6,268 6,192 525.09 12 0.2% 0
Bonfim do Piauí – 5,450 5,883 289.91 19 0.2% 0
Boqueirão do Piauí – 7,168 7,412 271.15 26 0.2% 0
Brasileira – 8,377 8,658 885.87 9 0.2% 0
Brejo do Piauí – 4,297 3,910 2,275.86 2 0.1% 0
Buriti dos Lopes – 19,215 20,474 693.06 28 0.6% 4,410
Buriti dos Montes – 8,783 7,822 2,448.03 4 0.3% 0
Cabeceiras do Piauí – 11,892 11,551 612.01 19 0.3% 0
Cajazeiras do Piauí – 3,803 3,072 515.85 7 0.1% 0
Caldeirão Grande do Piauí – 6,037 5,613 469.04 13 0.2% 0
Campinas do Piauí – 5,241 4,368 787.42 7 0.2% 0
Campo Alegre do Fidalgo – 4,897 4,610 660.43 7 0.1% 0
Campo Grande do Piauí – 6,558 6,331 313.95 21 0.2% 0
Campo Largo do Piauí – 6,379 6,633 479.3 13 0.2% 0
Campo Maior – 46,646 47,610 1,687.02 28 1.4% 0
Canavieira – 4,018 3,256 2,170.53 2 0.1% 0
Canto do Buriti – 21,672 19,577 4,344.26 5 0.6% 0
Capitão de Campos – 12,860 12,173 572.28 22 0.4% 0
Capitão Gervásio Oliveira – 4,163 4,031 1,138.28 4 0.1% 0
Caracol – 12,661 11,772 1,617.52 8 0.4% 0
Caraúbas do Piauí – 5,762 5,718 472.38 12 0.2% 12
Caridade do Piauí – 5,323 5,221 500.31 11 0.2% 0
Castelo do Piauí – 19,999 19,941 2,388.85 8 0.6% 0
Caxingó – 5,904 6,013 494.22 12 0.2% 677
Cocal – 28,299 29,013 1,300.41 22 0.8% 0
Cocal de Telha – 4,795 4,912 312.08 15 0.1% 0
Cocal dos Alves – 7,407 7,652 326.09 23 0.2% 0
Coivaras – 4,422 4,738 487.49 9 0.1% 0
Colônia do Gurguéia – 6,775 6,295 430.67 16 0.2% 0
Colônia do Piauí – 7,981 6,987 951.58 8 0.2% 0
Conceição do Canindé – 4,836 5,354 827.35 6 0.1% 0
Coronel José Dias – 4,948 4,225 1,924.1 3 0.1% 0
Corrente – 27,775 28,856 3,060.49 9 0.8% 0
Cristalândia do Piauí – 8,869 7,168 1,207.21 7 0.3% 0
Cristino Castro – 11,944 11,553 1,853.88 6 0.3% 0
Curimatá – 11,904 11,940 2,355.04 5 0.3% 0
Currais – 5,406 5,231 3,168.34 2 0.2% 0
Curral Novo do Piauí – 5,978 5,893 758.33 8 0.2% 0
Curralinhos – 4,940 4,672 347.22 14 0.1% 0
Demerval Lobão – 16,073 18,755 217.02 74 0.5% 0
Dirceu Arcoverde – 6,935 7,236 1,021.96 7 0.2% 0
Dom Expedito Lopes – 4,496 4,038 220.04 20 0.1% 0
Dom Inocêncio – 9,771 9,503 3,886.46 3 0.3% 0
Domingos Mourão – 4,910 4,272 852.88 6 0.1% 0
Elesbão Veloso – 15,322 13,653 1,391.32 11 0.4% 0
Eliseu Martins – 5,106 4,290 1,096.1 5 0.1% 0
Esperantina – 36,022 38,208 913.31 39 1% 0
Fartura do Piauí – 6,036 5,963 716.25 8 0.2% 0
Flores do Piauí – 4,605 4,535 950.76 5 0.1% 0
Floresta do Piauí – 1,984 1,944 223.9 9 0.1% 0
Floriano – 70,064 75,355 3,425.34 20 2% 0
Francinópolis – 5,443 4,240 269.12 20 0.2% 0
Francisco Ayres – 4,671 4,638 658.47 7 0.1% 0
Francisco Macedo – 3,626 3,115 177.37 20 0.1% 0
Francisco Santos – 8,485 7,072 494.32 17 0.2% 0
Fronteiras – 11,947 9,702 781 15 0.3% 0
Geminiano – 7,588 8,350 443.65 17 0.2% 0
Gilbués – 14,661 14,668 3,511.61 4 0.4% 0
Guadalupe – 10,606 10,716 1,027.89 10 0.3% 0
Guaribas – 4,424 4,065 3,131.22 1 0.1% 0
Hugo Napoleão – 4,003 3,450 225.65 18 0.1% 0
Inhuma – 15,606 15,634 982.87 16 0.5% 0
Ipiranga do Piauí – 10,144 9,877 531.51 19 0.3% 0
Isaías Coelho – 9,147 7,935 803.97 11 0.3% 0
Itainópolis – 12,494 11,183 831.73 15 0.4% 0
Itaueira – 11,417 10,504 2,565.02 4 0.3% 0
Jacobina do Piauí – 5,873 5,522 1,339.81 4 0.2% 0
Jaicós – 20,374 18,192 867.64 23 0.6% 0
Jardim do Mulato – 4,605 3,959 512.25 9 0.1% 0
Jatobá do Piauí – 5,961 5,110 652.78 9 0.2% 0
Jerumenha – 4,293 4,467 1,875.61 2 0.1% 0
João Costa – 3,079 2,999 1,808.42 2 0.1% 0
Joaquim Pires – 13,825 13,617 743.16 19 0.4% 37
José de Freitas – 44,235 45,503 1,543.88 29 1.3% 0
Juazeiro do Piauí – 5,823 5,590 939.73 6 0.2% 0
Júlio Borges – 5,849 5,495 1,288.5 5 0.2% 0
Jurema – 4,195 3,831 1,277.81 3 0.1% 0
Lagoa Alegre – 8,330 8,122 396.54 21 0.2% 0
Lagoa de São Francisco – 6,484 6,150 156.15 42 0.2% 0
Lagoa do Barro do Piauí – 5,404 5,592 1,336.55 4 0.2% 0
Lagoa do Piauí – 5,212 5,817 429.98 12 0.2% 0
Lagoa do Sítio – 5,908 4,623 807.6 7 0.2% 0
Lagoinha do Piauí – 2,862 3,017 67.77 42 0.1% 0
Landri Sales – 4,995 5,123 1,093.81 5 0.1% 0
Luís Correia – 18,018 17,125 1,078.67 17 0.5% 2,859
Luzilândia – 27,761 27,662 707.72 39 0.8% 0
Madeiro – 6,294 5,428 177.9 35 0.2% 0
Manoel Emídio – 5,314 5,062 1,626.18 3 0.2% 0
Marcolândia – 13,351 12,690 140.32 95 0.4% 0
Marcos Parente – 4,669 4,838 679.79 7 0.1% 0
Massapê do Piauí – 6,429 4,648 533.82 12 0.2% 0
Matias Olímpio – 11,428 11,216 227.68 50 0.3% 0
Miguel Alves – 37,606 36,391 1,398.93 27 1.1% 0
Miguel Leão – 1,376 1,459 93.77 15 0% 0
Milton Brandão – 6,733 6,441 1,315.36 5 0.2% 0
Monsenhor Gil – 10,176 10,313 569.79 18 0.3% 0
Monsenhor Hipólito – 8,198 8,403 402.97 20 0.2% 0
Monte Alegre do Piauí – 7,614 7,886 2,426.38 3 0.2% 0
Morro Cabeça no Tempo – 4,520 4,290 2,218.8 2 0.1% 0
Morro do Chapéu do Piauí – 7,214 7,080 329.7 22 0.2% 0
Murici dos Portelas – 12,738 10,324 481.8 26 0.4% 1,179
Nazaré do Piauí – 7,952 6,719 1,321.01 6 0.2% 0
Nazária – 6,766 8,185 365.8 18 0.2% 0
Nossa Senhora de Nazaré – 3,889 4,151 358.09 11 0.1% 0
Nossa Senhora dos Remédios – 9,230 9,107 358.36 26 0.3% 0
Nova Santa Rita – 4,524 4,147 912.91 5 0.1% 0
Novo Oriente do Piauí – 6,780 6,046 529.4 13 0.2% 0
Novo Santo Antônio – 3,405 2,933 447.6 8 0.1% 0
Oeiras – 39,049 40,957 2,714.66 14 1.1% 0
Olho D’Água do Piauí – 2,289 2,378 183.47 12 0.1% 0
Padre Marcos – 7,289 6,536 280.41 26 0.2% 0
Paes Landim – 4,027 4,110 403.45 10 0.1% 0
Pajeú do Piauí – 3,523 3,068 991.41 4 0.1% 0
Palmeira do Piauí – 5,165 5,218 2,027.13 3 0.1% 0
Palmeirais – 16,499 15,254 1,504.66 11 0.5% 0
Paquetá – 3,727 3,512 433.95 9 0.1% 0
Parnaguá – 11,175 10,010 3,442.78 3 0.3% 0
Parnaíba – 175,353 182,278 439.77 399 5.1% 75,304
Passagem Franca do Piauí – 4,596 4,014 646.08 7 0.1% 0
Patos do Piauí – 6,897 5,508 805.65 9 0.2% 0
Pau D’Arco do Piauí – 4,083 4,046 432.57 9 0.1% 0
Paulistana – 22,308 22,609 1,950.74 11 0.6% 0
Pavussu – 3,778 3,805 1,095.32 3 0.1% 0
Pedro II – 40,083 39,394 1,552.67 26 1.2% 0
Pedro Laurentino – 2,808 2,517 873.88 3 0.1% 0
Picos – 82,876 89,519 579.43 143 2.4% 0
Pimenteiras – 12,915 11,130 4,581.74 3 0.4% 0
Pio IX – 18,165 17,572 1,958.3 9 0.5% 0
Piracuruca – 29,749 29,570 2,379.52 13 0.9% 0
Piripiri – 66,154 69,646 1,413.41 47 1.9% 0
Porto – 4,925 3,787 255.5 19 0.1% 0
Porto Alegre do Piauí – 2,263 1,960 1,174.6 2 0.1% 0
Prata do Piauí – 3,545 3,343 199.2 18 0.1% 0
Queimada Nova – 8,899 8,966 1,289.66 7 0.3% 0
Redenção do Gurguéia – 8,676 8,529 2,478.07 4 0.3% 0
Regeneração – 17,308 16,062 1,256.47 14 0.5% 0
Riacho Frio – 4,620 4,527 2,231.71 2 0.1% 0
Ribeira do Piauí – 5,289 4,442 1,018.09 5 0.2% 0
Ribeiro Gonçalves – 7,685 6,017 3,993.39 2 0.2% 0
Rio Grande do Piauí – 6,732 5,600 638.87 11 0.2% 0
Santa Cruz do Piauí – 6,948 6,327 586.65 12 0.2% 0
Santa Cruz dos Milagres – 3,718 3,066 982.77 4 0.1% 0
Santa Filomena – 19,122 17,217 5,307.57 4 0.6% 0
Santa Luz – 4,821 4,602 1,191.16 4 0.1% 0
Santa Rosa do Piauí – 5,452 4,480 342.36 16 0.2% 0
Santana do Piauí – 4,612 3,869 111.09 42 0.1% 0
Santo Antônio de Lisboa – 6,000 5,496 386.57 16 0.2% 0
Santo Antônio dos Milagres – 2,941 2,886 34.22 86 0.1% 0
Santo Inácio do Piauí – 4,730 4,141 856.17 6 0.1% 0
São Braz do Piauí – 5,821 5,293 658.45 9 0.2% 0
São Félix do Piauí – 3,083 2,820 629.58 5 0.1% 0
São Francisco de Assis do Piauí – 6,570 6,046 1,077.03 6 0.2% 0
São Francisco do Piauí – 6,722 5,044 1,346.9 5 0.2% 0
São Gonçalo do Gurguéia – 3,043 2,913 1,390.98 2 0.1% 0
São Gonçalo do Piauí – 1,691 1,399 150 11 0% 0
São João da Canabrava – 2,413 2,073 482.72 5 0.1% 0
São João da Fronteira – 5,909 5,517 820.81 7 0.2% 0
São João da Serra – 6,275 6,409 1,000.51 6 0.2% 0
São João da Varjota – 4,804 4,261 397.01 12 0.1% 0
São João do Arraial – 8,867 9,283 213.99 41 0.3% 0
São João do Piauí – 20,618 22,580 1,532.69 13 0.6% 0
São José do Divino – 5,841 5,140 321.43 18 0.2% 0
São José do Peixe – 3,741 3,024 1,291.95 3 0.1% 0
São José do Piauí – 7,202 6,951 375.57 19 0.2% 0
São Julião – 6,354 6,069 292.04 22 0.2% 0
São Lourenço do Piauí – 4,967 4,860 674.71 7 0.1% 0
São Luis do Piauí – 4,503 3,992 218.69 21 0.1% 0
São Miguel da Baixa Grande – 2,594 2,404 447.56 6 0.1% 0
São Miguel do Fidalgo – 3,128 2,859 817.53 4 0.1% 0
São Miguel do Tapuio – 18,937 18,426 5,009.93 4 0.5% 0
São Pedro do Piauí – 17,736 17,251 520.82 34 0.5% 0
São Raimundo Nonato – 36,747 42,315 2,424.8 15 1.1% 0
Sebastião Barros – 3,614 3,141 896.55 4 0.1% 0
Sebastião Leal – 4,608 4,764 3,166.38 1 0.1% 0
Sigefredo Pacheco – 9,828 8,802 1,036.2 9 0.3% 0
Simões – 15,530 15,346 1,079.49 14 0.5% 0
Simplício Mendes – 13,624 15,345 1,366.77 10 0.4% 0
Socorro do Piauí – 4,700 3,961 764.14 6 0.1% 0
Sussuapara – 6,437 5,831 206.97 31 0.2% 0
Tamboril do Piauí – 2,989 2,997 1,593.95 2 0.1% 0
Tanque do Piauí – 1,436 964 398.5 4 0% 0
Teresina – 976,839 908,324 1,398 699 28.3% 0
União – 23,453 22,825 1,180.21 20 0.7% 0
Uruçuí – 9,349 12,732 8,451.9 1 0.3% 0
Valença do Piauí – 21,164 23,411 1,339.19 16 0.6% 0
Várzea Branca – 4,378 4,559 453.24 10 0.1% 0
Várzea Grande – 6,139 5,957 237.77 26 0.2% 0
Vera Mendes – 2,912 3,030 342.28 9 0.1% 0
Vila Nova do Piauí – 3,585 3,219 222.85 16 0.1% 0
Wall Ferraz – 3,956 3,467 270.95 15 0.1% 0
05Exposition

Couches d'exposition ouvertes

Nombre de cellules H3 de résolution 3 dont le centre se trouve dans l'unité et qui portent chaque couche Natural Earth.

Zones urbaines
51 H3 cells
Ports
Aucune à cette résolution
Aéroports
Aucune à cette résolution
Routes principales
3,315.6 H3 cells
Voies ferrées
379.4 H3 cells
Cours d'eau et lacs
707.1 H3 cells
06Risque

Valeurs de risque

Values when released. Subnational risk values for Piaui publish with the edition from The Global Risks Index. Until then, run a scenario on open data for Brazil.
07Voisins

Unités voisines

08Sources

Sources, crédits et licences

Limites ADM1
geoBoundaries (William & Mary geoLab), gbOpen BRA ADM1, source: geoBoundaries, Wikimedia Commons, licence: Creative Commons Attribution 2.5 Generic · source · represents 2006
Limites ADM2
geoBoundaries (William & Mary geoLab), gbOpen BRA ADM2, source: Instituto Brasileiro de Geografia e Estatística (IBGE), OCHA ROLAC, licence: Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO) · source · represents 2020
Fond de carte
OpenFreeMap © OpenMapTiles (CC BY 4.0) · data © OpenStreetMap contributors (ODbL 1.0). Vector tiles requested by the reader’s browser, unmodified; the map falls back to plain land and sea when the host does not answer.
Relief
Terrain Tiles (Mapzen, AWS Open Data), compiled from SRTM and other public elevation sources (NASA, USGS, ETOPO1, GMTED, EU-DEM under the Copernicus programme, Geoscience Australia, Kartverket, INEGI, LINZ, data.gov.uk). Display relief, not survey data.
Population
Grille de population GHSL 2025, Centre commun de recherche de la Commission européenne (CC BY 4.0), affichée à 0.05° et additionnée par unité ; WorldPop 2025 (CC BY 4.0) comme seconde estimation. Les unités plus petites qu'une cellule de grille prennent la densité de la cellule qui les contient.
Pays
Natural Earth (domaine public).
Altitude
GEBCO Compilation Group (2024) GEBCO 2024 Grid (public domain), reduced to 0.05°: the share of each cell’s land at or below 10 m, weighted by GHSL 2025 people for the low coastal zone.
Position
Les frontières sont affichées pour la localisation seulement et ne prennent position sur aucune frontière, aucun nom ni aucun statut.